Originally Posted by
LHD220Turbo
With regards to the headgasket; i am trying to remember the headgasket MadRod uses in his 800+hp motor.
We went back to a WRC gasket after failure of a Cometic gasket.
We decided against using 120ron fuel because it would take so much more ignition that cylinder pressures were too high for safety. Its a real compromise at these levels.